1157858047 has 2 divisors, whose sum is σ = 1157858048. Its totient is φ = 1157858046.

The previous prime is 1157858027. The next prime is 1157858077. The reversal of 1157858047 is 7408587511.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1157858047 - 2⁷ = 1157857919 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1157857988 and 1157858006.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1157858017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 578929023 + 578929024.

It is an arithmetic number, because the mean of its divisors is an integer number (578929024).

Almost surely, 2^1157858047 is an apocalyptic number.

1157858047 is a deficient number, since it is larger than the sum of its proper divisors (1).

1157858047 is an equidigital number, since it uses as much as digits as its factorization.

1157858047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 313600, while the sum is 46.

The square root of 1157858047 is about 34027.3132497998. The cubic root of 1157858047 is about 1050.0704554386.

The spelling of 1157858047 in words is "one billion, one hundred fifty-seven million, eight hundred fifty-eight thousand, forty-seven".